1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
8 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
9 // expected-no-diagnostics
10 #ifndef HEADER
11 #define HEADER
12 
13 typedef __INTPTR_TYPE__ intptr_t;
14 
15 // CHECK-DAG: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
16 // CHECK-DAG: [[S_TY:%.+]] = type { [[INTPTR_T_TY:i[0-9]+]], [[INTPTR_T_TY]], [[INTPTR_T_TY]] }
17 // CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
18 // CHECK-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant [[IDENT_T_TY]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
19 
20 void foo();
21 
22 struct S {
23   intptr_t a, b, c;
SS24   S(intptr_t a) : a(a) {}
operator charS25   operator char() { extern void mayThrow(); mayThrow(); return a; }
~SS26   ~S() {}
27 };
28 
29 template <typename T, int C>
tmain()30 int tmain() {
31 #pragma omp parallel num_threads(C)
32   foo();
33 #pragma omp parallel num_threads(T(23))
34   foo();
35   return 0;
36 }
37 
main()38 int main() {
39   S s(0);
40   char a = s;
41 #pragma omp parallel num_threads(2)
42   foo();
43 #pragma omp parallel num_threads(a)
44   foo();
45   return a + tmain<char, 5>() + tmain<S, 1>();
46 }
47 
48 // CHECK-LABEL: define {{.*}}i{{[0-9]+}} @main()
49 // CHECK-DAG:   [[S_ADDR:%.+]] = alloca [[S_TY]]
50 // CHECK-DAG:   [[A_ADDR:%.+]] = alloca i8
51 // CHECK-DAG:   [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]])
52 // CHECK-DAG:   call {{.*}} [[S_TY_CONSTR:@.+]]([[S_TY]]* {{[^,]*}} [[S_ADDR]], [[INTPTR_T_TY]] [[INTPTR_T_TY_ATTR:(signext )?]]0)
53 // CHECK:       [[S_CHAR_OP:%.+]] = invoke{{.*}} i8 [[S_TY_CHAR_OP:@.+]]([[S_TY]]* {{[^,]*}} [[S_ADDR]])
54 // CHECK:       store i8 [[S_CHAR_OP]], i8* [[A_ADDR]]
55 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 2)
56 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
57 // CHECK:       [[A_VAL:%.+]] = load i8, i8* [[A_ADDR]]
58 // CHECK:       [[RES:%.+]] = sext i8 [[A_VAL]] to i32
59 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 [[RES]])
60 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
61 // CHECK:       invoke{{.*}} [[INT_TY:i[0-9]+]] [[TMAIN_CHAR_5:@.+]]()
62 // CHECK:       invoke{{.*}} [[INT_TY]] [[TMAIN_S_1:@.+]]()
63 // CHECK:       call {{.*}} [[S_TY_DESTR:@.+]]([[S_TY]]* {{[^,]*}} [[S_ADDR]])
64 // CHECK:       ret [[INT_TY]]
65 // CHECK:       }
66 
67 // CHECK:       define{{.*}} [[INT_TY]] [[TMAIN_CHAR_5]]()
68 // CHECK:       [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]])
69 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 5)
70 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
71 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 23)
72 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
73 // CHECK:       ret [[INT_TY]] 0
74 // CHECK-NEXT:  }
75 
76 // CHECK:       define{{.*}} [[INT_TY]] [[TMAIN_S_1]]()
77 // CHECK:       [[GTID:%.+]] = call {{.*}}i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]])
78 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 1)
79 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
80 // CHECK:       {{(invoke|call)}} {{.*}} [[S_TY_CONSTR]]([[S_TY]]* {{[^,]*}} [[S_TEMP:%.+]], [[INTPTR_T_TY]] [[INTPTR_T_TY_ATTR]]23)
81 // CHECK:       [[S_CHAR_OP:%.+]] = invoke{{.*}} i8 [[S_TY_CHAR_OP]]([[S_TY]]* {{[^,]*}} [[S_TEMP]])
82 // CHECK:       [[RES:%.+]] = sext {{.*}}i8 [[S_CHAR_OP]] to i32
83 // CHECK:       call {{.*}}void @__kmpc_push_num_threads([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 [[RES]])
84 // CHECK:       {{(invoke|call)}} {{.*}} [[S_TY_DESTR]]([[S_TY]]* {{[^,]*}} [[S_TEMP]])
85 // CHECK:       call {{.*}}void {{.*}} @__kmpc_fork_call(
86 // CHECK:       ret [[INT_TY]] 0
87 // CHECK:       }
88 
89 #endif
90